OWC 64GB (2 x 32GB) DDR4 SDRAM Memory Kit
OWC Memory. 100% Built for Your Mac. Experience your Mac's true performance potential. | Improve System Speed
OWC Memory is the most cost effective and simple DIY upgrade you can install to unleash your Mac's full potential and speed up overall responsiveness.
More Apps. More Files
Become a multi-tasking maven when you upgrade your Mac with OWC Memory. Open more apps. Open larger files. Plus, work with multiple files all at the same time.
Save ,,S vs Factory
Save BIG vs factory Mac memory options. Plus, select among options not offered by the factory. OWC makes it easy to find the perfect upgrade to fit your needs.
Lab Tested Compatibility
We test every OWC memory module at our in-house lab so you can upgrade with the confidence that your memory is 100% compatible with your Mac.
Lifetime Warranty
We build OWC Memory upgrades to meet or exceed Apple's specs and provide years of worry-free service.
Step-by-Step Videos
Our detailedinstall videosguide your upgrade from start to finish. We provide all the steps to make your OWC Memory upgrade DIY easy.
Experience the OWC Difference
Rely on the trusted name for memory upgrades, drives and accessories for over 30 years. Your OWC Memory upgrade was built by Mac people, for Mac people. Ourexpert support teamis always a call or click away. You can talk to an actual human who will kindly provide advice and guidance for any questions you may have.
Being helpful and treating others the way you would want to be treated is not just a novel idea. It's how we do business. It's how we're built. It's what we've been doing since 1988.
- Enables efficient and smooth execution of all your heavy-duty applications with maximum productivity
- No matter how heavy and numerous the applications that you are using, 2400 MHz memory speed with CL17 latency will run them smoothly
- Whether you are playing games, using heavy loaded OS or video editing software, the SoDIMM 64 GB of memory will make them run in a flash
- DDR4-2400/PC4-19200 interface synchronizes electrical and clock signals for an efficient data transfer rate
- 2 x 32GB modules for quick access and retrieval of data and information to ensure maximum usability
- 260-pin for enhanced, dependable system performance with maximum usability
- CL17 CAS latency for quicker access to the required location in a timely efficient manner
- Notebook device support for your ram module to allow enhanced performance and reliable memory solution
- SoDIMM form factor with 260-pin and 64 GB memory size effectively reduces minimizes the load on the server memory BUS to ensure maximum productivity
- Unregistered signal processing for dependable programmability of the processor for easy optimization of digital signals
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OWC Memory. 100% Built for Your Mac. Experience your Mac's true performance potential. | Improve System Speed
OWC Memory is the most cost effective and simple DIY upgrade you can install to unleash your Mac's full potential and speed up overall responsiveness.
More Apps. More Files
Become a multi-tasking maven when you upgrade your Mac with OWC Memory. Open more apps. Open larger files. Plus, work with multiple files all at the same time.
Save ,,S vs Factory
Save BIG vs factory Mac memory options. Plus, select among options not offered by the factory. OWC makes it easy to find the perfect upgrade to fit your needs.
Lab Tested Compatibility
We test every OWC memory module at our in-house lab so you can upgrade with the confidence that your memory is 100% compatible with your Mac.
Lifetime Warranty
We build OWC Memory upgrades to meet or exceed Apple's specs and provide years of worry-free service.
Step-by-Step Videos
Our detailedinstall videosguide your upgrade from start to finish. We provide all the steps to make your OWC Memory upgrade DIY easy.
Experience the OWC Difference
Rely on the trusted name for memory upgrades, drives and accessories for over 30 years. Your OWC Memory upgrade was built by Mac people, for Mac people. Ourexpert support teamis always a call or click away. You can talk to an actual human who will kindly provide advice and guidance for any questions you may have.
Being helpful and treating others the way you would want to be treated is not just a novel idea. It's how we do business. It's how we're built. It's what we've been doing since 1988.
- Enables efficient and smooth execution of all your heavy-duty applications with maximum productivity
- No matter how heavy and numerous the applications that you are using, 2400 MHz memory speed with CL17 latency will run them smoothly
- Whether you are playing games, using heavy loaded OS or video editing software, the SoDIMM 64 GB of memory will make them run in a flash
- DDR4-2400/PC4-19200 interface synchronizes electrical and clock signals for an efficient data transfer rate
- 2 x 32GB modules for quick access and retrieval of data and information to ensure maximum usability
- 260-pin for enhanced, dependable system performance with maximum usability
- CL17 CAS latency for quicker access to the required location in a timely efficient manner
- Notebook device support for your ram module to allow enhanced performance and reliable memory solution
- SoDIMM form factor with 260-pin and 64 GB memory size effectively reduces minimizes the load on the server memory BUS to ensure maximum productivity
- Unregistered signal processing for dependable programmability of the processor for easy optimization of digital signals
Apple iMac 4K 2017 (21.5")

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ONGOING SUPPORT
We pride ourselves on building long-term relationships with our partners and clients. From initial consultation to post-installation maintenance, we are always available and happy to help through our support network.